Adapter lens

Details Adapter lens Adapter lens

2007-02-16

2009-08-11

Mahoney, Christopher (Department: 2862)

Photography

Having lens converter or extension tube

C348S360000

Reexamination Certificate

active

07574124

ABSTRACT:
An adapter lens has a front plate, an optical member, a side plate, an upper plate and a rear plate. The adapter lens can be detachably attached to an upper left-hand corner of a body included in a camera. The adapter lens is mounted on the camera with the front plate, the side plate, the upper plate and the rear plate in contact with a part of the front surface around the objective lens, an upper part of the side surface near the corner of the body, a part of the upper surface near the corner of the body, and an upper part of the rear surface near the corner of the body, respectively. A screw is passed through a through hole formed in connecting part of the rear plate and screwed into a threaded hole formed in a boss formed integrally with the side plate to hold the body between the front plate and the rear plate.

REFERENCES:
patent: 4666274 (1987-05-01), Maeno et al.
patent: 7489359 (2009-02-01), Fukumoto et al.
patent: 2005/0163494 (2005-07-01), Fukumoto et al.
patent: 2004-264367 (2004-09-01), None

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